package com.cos.lession.web.filter;

import javax.servlet.*;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * @author: COS
 * @time: 2022/3/3 15:17
 * @description:
 */
@WebFilter(filterName = "Filter01_Charset",value = "/*")
public class Filter01_Charset implements Filter {
    @Override
    public void destroy() {
    }

    @Override
    public void doFilter(ServletRequest req, ServletResponse resp, FilterChain chain) throws ServletException, IOException {
        HttpServletRequest request= (HttpServletRequest) req;
        HttpServletResponse response = (HttpServletResponse) resp;
        request.setCharacterEncoding("utf-8");
        response.setContentType("text/html;charset=utf-8");
        chain.doFilter(request, response);
    }

    @Override
    public void init(FilterConfig config) throws ServletException {

    }

}
